A) Mariannas Trench.
B) Caloris basin.
C) Valles Marineris rift.
D) Hellas Basin of Mars.
E) Mare Crisium.
B) Caloris basin.
C) Valles Marineris rift.
D) Hellas Basin of Mars.
E) Mare Crisium.
Two solenoids are each made of 2 000 turns of copper wire per meter. Solenoid I is 2 m long, while solenoid II is 1 m long. When equal currents are present in the two solenoids, the ratio of the magnetic field BI along the axis of solenoid I to the magnetic field BII along the axis of solenoid II, BI/BII, is
a. 1/4.
b. 1/2.
c. 1.
d. 2
e. 4.
C
Physics & Space Science
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A body on the surface of the earth weighs 400 lb. The radius of the earth is about 4,000 miles. If this same body were placed on a 4,000 mile high tower, its weight would be
a. 100 lbs b. 200 lbs c. 400 lbs d. 800 lbs e. 16,000 lbs
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The deepest depression found on the surface of Mars is the:
Physics & Space Science
A teacher sends her students on a treasure hunt. She gives the following instructions: 1. Walk 300 m north 2. Walk 400 m northwest 3. Walk 700 m east-southeast and the treasure is buried there
As all the other students walk off following the instructions, Jane physics student quickly adds the displacements and walks in a straight line to find the treasure. How far and in what direction does Jane need to walk? A) 187 m in a direction 67.3° north of east B) 481 m in a direction 40.9° north of east C) 399 m in a direction 52.5° north of east D) 284 m in a direction 28.2° west of north E) The treasure position cannot be reached in one straight walk.
Physics & Space Science
Which air mass has greater air pressure?
A) warm air B) cold air C) adiabatic air D) expanding air
Physics & Space Science